{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "Pyranoflavones : A Group of Small - Molecule Probes for Exploring the Active Site Cavities of Cytochrome P450 Enzymes 1A1 , 1A2 , and 1B1 ."}
{"Chemical": ["Pyranoflavones"]}